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Viewing Station:
VA-FX-139 : Herndon 3.8 SSW
Sep 1, 2025 - May 20, 2026
209 Total Observations
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Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
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Daily Precip
87
Multi-day Precip
0
Significant Weather
0
Hail
0
Condition Monitoring
0
Map
Obs Date
Obs Time
Gauge Catch (in)
Snowfall (in)
Snowpack (in)
Flooding
Notes
Depth
SWE
Depth
SWE
2026-05-20
7:00 AM
0.05
NA
NA
NA
NA
2026-05-14
7:00 AM
0.45
NA
NA
NA
NA
2026-05-12
7:00 AM
0.07
NA
NA
NA
NA
2026-05-11
7:00 AM
0.15
NA
NA
NA
NA
2026-05-07
7:00 AM
0.32
NA
NA
NA
NA
2026-05-02
7:00 AM
0.02
NA
NA
NA
NA
2026-04-30
7:00 AM
0.41
NA
NA
NA
NA
2026-04-26
7:00 AM
0.23
NA
NA
NA
NA
2026-04-25
7:00 AM
0.05
NA
NA
NA
NA
2026-04-21
7:00 AM
0.02
NA
NA
NA
NA
2026-04-20
7:00 AM
0.25
NA
NA
NA
NA
2026-04-14
7:00 AM
0.01
NA
NA
NA
NA
2026-04-06
7:00 AM
0.70
NA
NA
NA
NA
2026-04-03
7:00 AM
0.02
NA
NA
NA
NA
2026-04-02
7:00 AM
0.12
NA
NA
NA
NA
2026-03-31
7:00 AM
0.04
NA
NA
NA
NA
2026-03-28
7:00 AM
0.21
NA
NA
NA
NA
2026-03-27
7:00 AM
T
NA
NA
NA
NA
2026-03-23
7:00 AM
0.09
NA
NA
NA
NA
2026-03-21
7:00 AM
0.37
NA
NA
NA
NA
2026-03-17
7:00 AM
1.07
NA
NA
NA
NA
2026-03-16
7:00 AM
0.12
NA
NA
NA
NA
2026-03-13
7:00 AM
0.62
T
NA
T
NA
2026-03-12
7:00 AM
0.07
NA
NA
NA
NA
2026-03-08
7:00 AM
0.01
NA
NA
NA
NA
2026-03-07
7:00 AM
0.03
NA
NA
NA
NA
2026-03-06
7:00 AM
0.25
NA
NA
NA
NA
2026-03-05
7:00 AM
0.03
NA
NA
NA
NA
2026-03-04
7:00 AM
0.35
NA
NA
NA
NA
2026-03-03
7:00 AM
0.19
0.3
NA
0.5
NA
2026-02-27
7:00 AM
0.03
NA
NA
NA
NA
2026-02-25
7:00 AM
0.00
0.0
NA
0.5
NA
2026-02-24
7:00 AM
0.00
0.0
NA
1.0
NA
2026-02-23
7:00 AM
0.82
3.0
NA
3.0
NA
2026-02-22
7:00 AM
0.06
NA
NA
NA
NA
2026-02-21
7:00 AM
0.42
NA
NA
NA
NA
2026-02-20
7:00 AM
1.04
NA
NA
NA
NA
2026-02-19
7:00 AM
0.00
0.0
NA
T
NA
2026-02-18
7:00 AM
0.00
0.0
NA
0.5
NA
2026-02-17
7:00 AM
0.00
0.0
NA
1.5
NA
2026-02-16
7:00 AM
0.56
NA
NA
2.0
NA
2026-02-15
7:00 AM
0.00
0.0
NA
3.0
NA
2026-02-14
7:00 AM
0.00
0.0
NA
3.0
NA
2026-02-13
7:00 AM
0.00
0.0
NA
3.0
NA
2026-02-12
7:00 AM
0.00
0.0
NA
3.0
NA
2026-02-11
7:00 AM
0.00
0.0
NA
3.0
NA
2026-02-10
7:00 AM
0.00
0.0
NA
3.5
NA
2026-02-09
7:00 AM
0.00
0.0
NA
4.0
NA
2026-02-08
7:00 AM
0.00
0.0
NA
4.0
NA
2026-02-07
7:00 AM
0.02
0.4
0.02
4.5
NA
2026-02-06
7:00 AM
0.00
0.0
NA
4.0
NA
2026-02-05
7:00 AM
0.00
0.0
NA
4.0
NA
2026-02-04
7:00 AM
0.00
0.0
NA
4.5
NA
2026-02-03
7:00 AM
0.00
0.0
NA
4.5
NA
2026-02-02
7:00 AM
0.00
0.0
NA
5.0
NA
2026-02-01
7:00 AM
0.00
0.0
NA
5.0
NA
2026-01-31
7:00 AM
0.00
0.0
NA
5.0
NA
2026-01-30
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-29
7:00 AM
0.00
0.0
NA
5.0
NA
2026-01-28
7:00 AM
0.00
0.0
NA
5.0
NA
2026-01-27
7:00 AM
0.00
0.0
NA
5.0
NA
2026-01-26
7:00 AM
1.74
5.5
1.74
7.0
NA
2026-01-25
7:00 AM
0.60
4.0
0.60
4.0
0.60
2026-01-24
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-23
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-22
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-21
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-20
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-19
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-18
7:00 AM
0.11
NA
NA
NA
NA
2026-01-17
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-16
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-15
7:00 AM
0.01
NA
NA
NA
NA
2026-01-14
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-13
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-12
7:00 AM
T
NA
NA
NA
NA
2026-01-11
7:00 AM
1.19
NA
NA
NA
NA
2026-01-10
7:00 AM
0.01
NA
NA
NA
NA
2026-01-09
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-08
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-07
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-06
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-05
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-04
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-03
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-02
7:00 AM
0.00
0.0
NA
NA
NA
2026-01-01
7:00 AM
0.01
T
T
T
T